Hello Cardiff
Here are the details
Have found no trace of any of them on any later census as yet.
Rhys
Aberdare 1851
HO 107 2460 f480 p11
HIRWAUN
STEPHENS JOHN HD M 36 LABOURER CMN -
STEPHENS MARGARET WI M 39 LABOURER'S WIFE CMN -
STEPHENS EVAN SO U 23 ROWLER GLA ABERDARE
THOMAS JEMIMA SV U 14 HOUSE SERVANT GLA ABERDARE
MORGANS MARY VR U 6 AT HOME GLA MERTHYR
PARKER RICHARD VR U 20 PUDDLER MON CHEPSTOW